78040320

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20323}}^1$

素因数の和:20347

約数の個数: 72

約数和(自身を含む): 249253536

約数和(自身を除く): 171213216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 20323, 40646, 60969, 81292, 101615, 121938, 162584, 203230, 243876, 304845, 325168, 406460, 487752, 609690, 650336, 812920, 975504, 1219380, 1300672, 1625840, 1951008, 2438760, 2601344, 3251680, 3902016, 4877520, 5202688, 6503360, 7804032, 9755040, 13006720, 15608064, 19510080, 26013440, 39020160, 78040320]

約数ペア:

[(1, 78040320), (2, 39020160), (3, 26013440), (4, 19510080), (5, 15608064), (6, 13006720), (8, 9755040), (10, 7804032), (12, 6503360), (15, 5202688), (16, 4877520), (20, 3902016), (24, 3251680), (30, 2601344), (32, 2438760), (40, 1951008), (48, 1625840), (60, 1300672), (64, 1219380), (80, 975504), (96, 812920), (120, 650336), (128, 609690), (160, 487752), (192, 406460), (240, 325168), (256, 304845), (320, 243876), (384, 203230), (480, 162584), (640, 121938), (768, 101615), (960, 81292), (1280, 60969), (1920, 40646), (3840, 20323)]